diff options
| -rw-r--r-- | lib/igt_core.c | 7 | ||||
| -rw-r--r-- | lib/igt_core.h | 1 | ||||
| -rw-r--r-- | lib/igt_debugfs.c | 13 |
3 files changed, 18 insertions, 3 deletions
diff --git a/lib/igt_core.c b/lib/igt_core.c index 6b9f0425..4c5f4dd5 100644 --- a/lib/igt_core.c +++ b/lib/igt_core.c @@ -256,6 +256,7 @@ static unsigned int exit_handler_count; const char *igt_interactive_debug; +bool igt_skip_crc_compare; /* subtests helpers */ static bool list_subtests = false; @@ -289,6 +290,7 @@ enum { OPT_DESCRIPTION, OPT_DEBUG, OPT_INTERACTIVE_DEBUG, + OPT_SKIP_CRC, OPT_HELP = 'h' }; @@ -557,6 +559,7 @@ static void print_usage(const char *help_str, bool output_on_stderr) " --run-subtest <pattern>\n" " --debug[=log-domain]\n" " --interactive-debug[=domain]\n" + " --skip-crc-compare\n" " --help-description\n" " --help|-h\n"); if (help_str) @@ -675,6 +678,7 @@ static int common_init(int *argc, char **argv, {"help-description", no_argument, NULL, OPT_DESCRIPTION}, {"debug", optional_argument, NULL, OPT_DEBUG}, {"interactive-debug", optional_argument, NULL, OPT_INTERACTIVE_DEBUG}, + {"skip-crc-compare", no_argument, NULL, OPT_SKIP_CRC}, {"help", no_argument, NULL, OPT_HELP}, {0, 0, 0, 0} }; @@ -786,6 +790,9 @@ static int common_init(int *argc, char **argv, print_test_description(); ret = -1; goto out; + case OPT_SKIP_CRC: + igt_skip_crc_compare = true; + goto out; case OPT_HELP: print_usage(help_str, false); ret = -1; diff --git a/lib/igt_core.h b/lib/igt_core.h index 88a95ec2..101518f2 100644 --- a/lib/igt_core.h +++ b/lib/igt_core.h @@ -877,6 +877,7 @@ bool igt_run_in_simulation(void); void igt_skip_on_simulation(void); extern const char *igt_interactive_debug; +extern bool igt_skip_crc_compare; /** * igt_log_level: diff --git a/lib/igt_debugfs.c b/lib/igt_debugfs.c index 82ce1834..676884c8 100644 --- a/lib/igt_debugfs.c +++ b/lib/igt_debugfs.c @@ -405,6 +405,12 @@ static bool igt_find_crc_mismatch(const igt_crc_t *a, const igt_crc_t *b, * assert that CRCs match, never that they are different. Otherwise there might * be random testcase failures when different screen contents end up with the * same CRC by chance. + * + * Passing --skip-crc-compare on the command line will force this function + * to always pass, which can be useful in interactive debugging where you + * might know the test will fail, but still want the test to keep going as if + * it had succeeded so that you can see the on-screen behavior. + * */ void igt_assert_crc_equal(const igt_crc_t *a, const igt_crc_t *b) { @@ -413,10 +419,11 @@ void igt_assert_crc_equal(const igt_crc_t *a, const igt_crc_t *b) mismatch = igt_find_crc_mismatch(a, b, &index); if (mismatch) - igt_debug("CRC mismatch at index %d: 0x%x != 0x%x\n", index, - a->crc[index], b->crc[index]); + igt_debug("CRC mismatch%s at index %d: 0x%x != 0x%x\n", + igt_skip_crc_compare ? " (ignored)" : "", + index, a->crc[index], b->crc[index]); - igt_assert(!mismatch); + igt_assert(!mismatch || igt_skip_crc_compare); } /** |